Instance: rand-2-40-16-250-350-89_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:53
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 250
General features
Number of coarse blocks: 8,000
Number of unique subscopes: 40
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 500 MAX VALUE 173.29 0.00 0.00 0.00
Coarse blocks size 3 16 10.44 10.00 83,526 MAX VALUE 18,624.70 1.89 0.18 2.05
Relational linkage 0.19 0.75 0.46 0.44 292.62 0.00 -509.68 0.07 0.16 1.58
Tightness 0.27 0.41 0.35 0.35 86.86 0.00 -264.94 0.03 0.07 3.21
Tuples 150 188 167.05 167.00 41,763 MAX VALUE 1,279.39 6.46 0.04 3.21
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 2 19 12.50 12.50 500 MAX VALUE 98.78 3.49 0.28 2.47
Partitions per subscope 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 18
Number of leaves: 8
Tree depth: 5
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 2 99 49.72 35.50 895 1.35e+28 64.77 31.86 0.64 2.55
Cluster variables 3 23 14.67 12.50 264 1.43e+20 46.41 5.99 0.41 2.22
Separator constraints 0 90 35.83 22.50 645 0 None 30.14 0.84 2.58
Separator variables 0 22 12.44 11.00 224 0 None 6.40 0.51 2.34
Dual tree decomposition
Number of clusters: 38
Number of leaves: 17
Tree depth: 5
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 50 886 276.76 213.00 10,517 MAX VALUE 204.66 200.69 0.73 3.64
Cluster variables 14 131 42.82 31.00 1,627 MAX VALUE 135.75 28.94 0.68 3.35
Separator constraints 0 504 194.71 175.50 7,399 0 None 118.17 0.61 3.60
Separator variables 0 99 36.24 29.50 1,377 0 None 22.07 0.61 3.32
Primal graph
Density: 32.05%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.51 0.34 0.34 13.71 0.00 None 0.08 0.24 3.01
Degree 2 19 12.50 12.50 500 MAX VALUE 98.78 3.49 0.28 2.47
Eccentricity 2 3 2.45 2.00 98 1.62e+15 35.02 0.50 0.20 0.69
Triangulated primal graph
Density: 61.15%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.67 1.00 0.86 0.83 34.45 0.00 -6.21 0.09 0.11 3.16
Degree 2 36 23.85 29.00 954 MAX VALUE 121.40 9.50 0.40 2.63
Eccentricity 2 3 2.20 2.00 88 2.82e+13 30.97 0.40 0.18 0.50
Dual graph
Density: 10.02%
MCB compute time (ms): 5,900
MCB cycles: 2,935
Triangles: 13,061
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 0.88 0.51 0.50 128.36 0.00 -167.24 0.04 0.08 4.75
Degree 13 34 24.94 25.00 6,236 MAX VALUE 800.55 4.08 0.16 2.79
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.01 3.00 8,829 MAX VALUE 3,231.33 0.09 0.03 0.05
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 288
MCB cycles: 211
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 6 3.68 4.00 920 MAX VALUE 319.76 0.82 0.22 1.16
Eccentricity 6 9 7.20 7.00 1,800 MAX VALUE 492.73 0.57 0.08 0.86
MCB cycle size 4 10 6.70 7.00 1,413 MAX VALUE 398.62 1.04 0.15 1.44
Triangulated dual graph
Density: 52.76%
Triangles: 679,665
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.85 0.82 211.61 0.00 -42.72 0.08 0.09 4.90
Degree 13 195 131.37 163.00 32,842 MAX VALUE 1,177.97 57.59 0.44 4.11
Eccentricity 2 3 2.19 2.00 547 MAX VALUE 192.34 0.39 0.18 0.48
Triangulated minimal dual graph
Density: 11.56%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.49 1.00 0.82 0.78 204.99 0.00 -53.35 0.14 0.17 3.51
Degree 2 88 28.78 7.00 7,194 MAX VALUE 628.46 33.35 1.16 3.20
Eccentricity 3 5 3.69 4.00 922 MAX VALUE 323.88 0.50 0.13 0.71
Incidence graph
Density: 1.19%
MCB compute time (ms): 190
MCB cycles: 211
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 19 3.45 2.00 1,000 MAX VALUE 272.07 3.85 1.12 0.72
Eccentricity 5 7 6.04 6.00 1,753 MAX VALUE 520.99 0.44 0.07 0.63
MCB cycle size 6 8 6.02 6.00 1,270 MAX VALUE 378.64 0.19 0.03 0.05